A free/open source client and automation tool for Ragnarok Online
Gradient Bang is an online multiplayer universe
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
Adds Discord Functionality to Lands.
90-ball bingo with sound
Arianne is an engine to develop multiplayer online games like Stendhal
Full featured MUD server with all the trimmings.
A 2D multiplayer space shooter game
Source of Mana is a unique 2D MMORPG
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
Web application brings custom skins back in offline Minecraft servers
A retro multiplayer shooter
This componente is ideal for management of sport events.
oGame-like browser space realtime strategy game based on xNova
An league table for offices to have competitions during tournaments
online 4X browser game engine
JAVA websocket implementation for a bomberman-like game
Open source script based on Master XLS
Create symmetric sprites: browse, save to PC, or store online
The IRC's Talking Robot
Eve Online Corp Database